St Marys, Maryland Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among St Marys, MD population of 113,777 people, 70.52% (80,233) identified their ethnicity as Non-Hispanic - White Alone, 14.06% (15,994) identified their ethnicity as Non-Hispanic - Black or African American Alone, and 5.95% (6,767) identified their ethnicity as Non-Hispanic - Two Or More Races.

The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. You can also find the information in a table below.

You can see similar information for other Maryland counties and also for the state of Maryland.

St Marys, MD Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Hispanic - Two or More Races
Hispanic - Some Other Race Alone
Hispanic - White Alone
Percentage of St Marys, MD Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Black Alone
Non-Hispanic - Two or More Races
Non-Hispanic - Asian Alone
Hispanic - Two or More Races
Hispanic - Some Other Race Alone
Hispanic - White Alone
St Marys, MD Population By Ethnicity in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 80233 70.52
Non-Hispanic - Black or African American Alone 15994 14.06
Non-Hispanic - Two Or More Races 6767 5.95
Non-Hispanic - Asian Alone 3301 2.90
Hispanic - Two Or More Races 2595 2.28
Hispanic - Some Other Race Alone 1746 1.54
Hispanic - White Alone 1719 1.51
Non-Hispanic - Some Other Race Alone 533 0.47
Non-Hispanic - American Indian and Alaska Native Alone 318 0.28
Hispanic - Black or African American Alone 300 0.26
Hispanic - American Indian and Alaska Native Alone 120 0.11
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 86 0.08
Hispanic - Asian Alone 61 0.05
Hispanic - Native Hawaiian And Pacific Islander Alone 4 0.00